On 1/6/2014, 2:37 PM, Gregory Szorc wrote:
On 1/6/14, 11:32 AM, Martin Thomson wrote:
On 2014-01-06, at 11:25, Gregory Szorc <g...@mozilla.com> wrote:
Clang provides access to the low-level token stream [1]. This is
available via libclang (the C API) and the Python bindings and I'm
pretty sure you can access this info from plugins.
Each token is associated with a source location (file, line, column,
etc). So, you can tell it which files are allowed to contain certain
tokens and not fail the build if something like NULL is in 3rd party
or system headers.
You should also be able to scan the token stream to look for things
like missing braces on if blocks. Lots of possibilities.
Both are probably good clang-analyser plugins to write.
http://clang-analyzer.llvm.org/
True. Although I don't believe we run clang-analyzer in automation... yet.
A benefit of integrating "style checks" into the compiler plugin is that
local developers can install the compiler plugin and get build failures
as part of the regular developer workflow. I don't think many people
people run or will run clang-analyzer as part of the regular development
workflow. That being said, we could integrate clang-analyzer into the
build system and have it run automagically if that's what people want.
FWIW last I checked, our clang plugin only works on Linux.
Cheers,
Ehsan
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